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Aptamer-Based Optical Sensors for Food Safety

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Surface Engineering and Functional Nanomaterials for Point-of-Care Analytical Devices

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Abstract

Food safety is a worldwide problem and ensuring food safety requires strict monitoring of toxins, antibiotics, and bacteria. Thus, sensitive methods of analysis to determine the types and residues of harmful components in food are needed. Point-of-care sensors have been abundantly developed over the last two decades and are proven to be innovative to analyze the contaminants present in food samples both quantitatively and qualitatively. In this book chapter, an overview of aptamer-based optical methods for monitoring food safety is provided. This chapter will focus on optical biosensing techniques such as UV-visible spectroscopy, fluorescence spectroscopy, surface-enhanced Raman spectroscopy, and photonic crystals. The principle, mechanism, advantages, and limitations of each technique are described with an ample number of examples.

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Authors and Affiliations

  1. Indian Institute of Technology Delhi, New Delhi, India

    Surbhi Goel

  2. Jackson State University, Jackson, MS, USA

    Sanjay Singh

  3. Department of Biotechnology and Biomedicine, Technical University of Denmark, Copenhagen, Denmark

    Neeti Kalyani

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  1. Surbhi Goel
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  2. Sanjay Singh
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  3. Neeti Kalyani
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Editors and Affiliations

  1. DTU Bioengineering, Technical University of Denmark, Kongens Lyngby, Denmark

    Buddhadev Purohit

  2. School of Biochemical Engineering, Indian Institute of Technology, Varanasi, Uttar Pradesh, India

    Pranjal Chandra

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Goel, S., Singh, S., Kalyani, N. (2023). Aptamer-Based Optical Sensors for Food Safety. In: Purohit, B., Chandra, P. (eds) Surface Engineering and Functional Nanomaterials for Point-of-Care Analytical Devices. Springer, Singapore. https://doi.org/10.1007/978-981-99-3025-8_6

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